linux-kernel - Re: [RFC PATCH v2 1/8] mseal: Add mseal(2) syscall.

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Message-ID: <cba3771f-09bb-4b2b-af13-00dd2f9c4e64@infradead.org>
Date:   Tue, 17 Oct 2023 08:45:36 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     jeffxu@...omium.org, akpm@...ux-foundation.org,
        keescook@...omium.org, jannh@...gle.com, sroettger@...gle.com,
        willy@...radead.org, gregkh@...uxfoundation.org,
        torvalds@...ux-foundation.org
Cc:     jeffxu@...gle.com, jorgelo@...omium.org, groeck@...omium.org,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-mm@...ck.org, surenb@...gle.com, alex.sierra@....com,
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Subject: Re: [RFC PATCH v2 1/8] mseal: Add mseal(2) syscall.

nit:

On 10/17/23 02:08, jeffxu@...omium.org wrote:

| diff --git a/mm/Kconfig b/mm/Kconfig
| index 264a2df5ecf5..db8a567cb4d3 100644
| --- a/mm/Kconfig
| +++ b/mm/Kconfig
| @@ -1258,6 +1258,14 @@ config LOCK_MM_AND_FIND_VMA
|  	bool
|  	depends on !STACK_GROWSUP
|  
| +config MSEAL
| +	default n
| +	bool "Enable mseal() system call"
| +	depends on MMU
| +	help
| +	  Enable the mseal() system call. Make memory areas's metadata immutable

	                                              areas'

$search_engine is your friend.

| +	  by selected system calls, i.e. mprotect(), munmap(), mremap(), mmap().


-- 
~Randy